Mini Adjustable Keychain Wrench – 3D printable model from MakerWorld

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Mini Adjustable Keychain Wrench

by APF · Other Tools

52 Downloads

21 Likes

36 Makes

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A simple, easy to print keychain adjustable wrench. Made of only three parts, with generous tolerancing yet still retaining great functionality, it is easy to customize with colors or scaling it up or down (Smallest I have managed to print it is 40%). At 100% scale, the jaws open comfortably to ~15mm (Over ½ Inch). Printing 2 or more sets of the wrenches at once means its easy to swap colors between the sets (See the attached photos). I have included a printing profile for an A1 mini, using the standard Bambu Lab PLA Basic, but I have printed these in the past with PETG for a bit more resilient use case. The round thumbscrew can be easily ‘popped’ into the main frame, with the upper sliding jaw the pressed and tightened in.

adjustable wrench - miniature MINI Mini mini keychain keychain 3d simple simple 3d Easy EasyPrint easy convenience quick quick 3d quick 3d print minimal little low amount of filliment

Category

Other Tools

Source

MakerWorld

Published

14.10.2025

Updated

30.04.2026

What you need to print this: Intermediate Medium confidence

Why?

supports needed

Single piece Supports required

Supports 2/3

Assembly 0/3

Settings 1/3

Bed size 0/3

Post-process 0/3

Printer

FDM / FFF

File format

STL

Material

PLA, PETG

Min. bed size

50 mm (Small)

Software

Cura, PrusaSlicer, or similar

Frequently Asked Questions

Which 3D printer is suitable for Mini Adjustable Keychain Wrench?

Any FDM printer should handle Mini Adjustable Keychain Wrench just fine. It's been printed on machines like Bambu Lab A1 Mini, Prusa Mini+, Creality Ender 3, most FDM printers. A minimum build volume of 50 mm is recommended.

Does Mini Adjustable Keychain Wrench need supports when printing?

Yes, Mini Adjustable Keychain Wrench will probably need supports for the overhangs. Tree supports work well here and are easier to remove than regular ones.

What file format is Mini Adjustable Keychain Wrench available in?

Mini Adjustable Keychain Wrench is available in STL format. These files can be opened and sliced using free software such as Cura, PrusaSlicer, Bambu Studio, or OrcaSlicer for FDM printing, or ChiTuBox and Lychee Slicer for resin printing. The download is provided through MakerWorld.

Is Mini Adjustable Keychain Wrench free to download?

Yes, Mini Adjustable Keychain Wrench is available as a free download through MakerWorld. Always check the license on the original platform to understand commercial use, remixing, and attribution requirements.

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